<script>

</script>

<template>
  <div style="display: flex;height: 100%;flex-direction: column">
    <span>1</span>
    <span>2</span>
    <span>3</span>
  </div>

</template>

<style scoped>
span {
  height: 50px;
  width: 200px;
  border: 1px solid #ccc;
}

</style>
